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Page 13/55 UltraGauge™ EM User Manual www.ultra-gauge.com
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UltraGauge is pre-configured for the most compatible configuration. However, there are various implementations of the OBDII standard
that may require special configuration. The following suggests configuration settings that may be necessary depending upon your vehicle
as well as other configuration setting you should be aware of.
English versus Metric Units
There is no setting to switch between English and Metric units. UltraGauge supports both simultaneously. This allows either or both to
be displayed. For example, if you wish to display KPH and MPH, simply select KPH and MPH from the gauge selection menu and
assign them to positions on the display. By default, UltraGauge is shipped with a pre-selection of English gauges. Use the gauge
selection menu to select the desired gauges with the desired units.
Ignition on Detection
There are two “ignition on” detection modes. When the ignition is switched to OFF, UltraGauge enters a low power mode where the
display is powered off. When the ignition is switched from OFF to RUN, UltraGauge will detect this in 1-6 seconds and power back on.
If UltraGauge fails to power back on, please see the
in the “UltraGauge setup..” section.
Ignition off Detection
If after the vehicle’s ignition switch is set to OFF, UltraGauge remains on, please see the
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Mileage Gauges
During the scanning and gauge discovery process, UltraGauge determines the most accurate means to calculate fuel usage based upon the
various sensors available in the vehicle. Normally no intervention or configuration is necessary. However, in rare cases, some vehicles
may mis-report the presence of a particular sensor which UltraGauge will then attempt to use to calculate the various mileage gauges,
such as Instantaneous MPG, Average MPG, Gallons/Hour, etc. When this issue is present, many of the mileage gauges will display
“Err”. Other gauges such as engine temperature, RPM, MPH, etc., will display correctly This is common on many large Diesel Ford
trucks. If seen, please see this section for more information:
Impaired or odd behavior of vehicle systems
If after installing UltraGauge your vehicle is experiencing odd behavior, such as various dash lights have become lit, factory gauges stop
working, vehicle fails to shift, hard shifting, etc. Please see the following section:
MPG Accuracy
For best results, UltraGauge should be calibrated for both distance measurements and fuel measurement. See the following section:
Vehicles which use a Manifold Absolute Pressure (MAP) sensor instead of a Mass Air Flow (MAF) sensor should also
see the following section:
To determine which sensor your vehicle uses see this section
:
Alarms
Certain Alarms come pre-enabled while others are disabled. Please see these sections for customizing alarms:
KWP/9141 Optimization
The rate at which the display updates for vehicles with the KWP2000 or 9141 protocol may be slower than desired. There is a
configuration setting which may allow the rate to be increased. See the following setting:
Enhanced and Safe mode Gauge Discovery
When UltraGauge is connected to the OBDII connector it begins scanning for the protocol supported. Once found UltraGauge then
discovers the available gauges. There are two discovery modes; Enhanced & Safe. By default Enhanced is selected and recommended.
If during the discovery process, with the ignition in the RUN position, the message “Comm lost, Restarting” is displayed, then press
DOWN when prompted to enter Safe mode. UltraGauge will remember the mode selected. Once in Safe mode, the prompt will change
and pressing DOWN will return to Enhanced mode.
